Answer:
Luster
Explanation:
That's the answer for e2020
Answer:
a, c, d
Explanation:
A dolphin's flipper, a bird's wing, a cat's leg, and a human arm are considered homologous structures, so other structures that are like these can be considered homologous.
The endocrine system is a collection of glands that regulate your metabolism, growth, sleep, mood and other things around your body.
Answer:
Explanation: nitrogen dioxide
